menu {base} | R Documentation

## Menu Interaction Function

### Description

`menu` presents the user with a menu of choices labelled from 1 to the number of choices. To exit without choosing an item one can select `0`.

### Usage

    menu(choices, graphics = FALSE, title = "")

### Arguments

`choices` | a character vector of choices
`graphics` | a logical indicating whether a graphics menu should be used. Currently unused.
`title` | a character string to be used as the title of the menu

### Value

The number corresponding to the selected item, or 0 if no choice was made.

### References

Becker, R. A., Chambers, J. M. and Wilks, A. R. (1988) The New S Language. Wadsworth & Brooks/Cole.

### Examples

    ## Don't run:
    switch(menu(c("List letters", "List LETTERS")) + 1,
           cat("Nothing done\n"), letters, LETTERS)
    ## End Don't run

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